RUNS is a parallelogram, find the values of the unknowns x, y, z.( Give reason).
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x = 105° , y = 45° , z = 30°
Step-by-step explanation:
∠UNS = 180° - 75° [ linear pair]
∠UNS = 105°
∠UNS = x [ diagonally opposite angles in a parallelogram are equal]
So, x = 105°
Now RS║UN and US is a transversal
So, ∠RUS = ∠USN
so, y = 45°
Now RU║SN and UN is a transversal
So, ∠RUN = 75°
Now ∠RUN = y + z
= 45° + z [ y = 45°]
Combining these equations we get,
45° + z = 75°
z = 30°
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